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Sheldon Cooper, a 9-year-old genius, begins his first day of high school in the ninth grade with his older brother, George "Georgie" Cooper Jr. Having shown more skills than a typical child his age, he skipped several grades.
The repeating decimal commonly written as 0.999... represents exactly the same quantity as the number one. Despite having the appearance of representing a smaller number, 0.999... is a symbol for the number 1 in exactly the same way that 0.333... is an equivalent notation for the number represented by the fraction 1 ⁄ 3 .
This list has achieved great celebrity among mathematicians, [224] and at least thirteen of the problems (depending how some are interpreted) have been solved. [223] A new list of seven important problems, titled the "Millennium Prize Problems", was published in 2000. Only one of them, the Riemann hypothesis, duplicates one of Hilbert's problems.
The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...
The French word for 80 is quatre-vingts, literally "four twenties", and the word for 75 is soixante-quinze, literally "sixty-fifteen". The vigesimal method of counting is analogous to the archaic English use of score , as in "fourscore and seven" (87), or "threescore and ten" (70).